A200929 Number of n X n 0..6 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

7, 70, 3158, 1684241, 10179183172

Offset

1,1

Comments

Diagonal of A200935

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=3
..0..1..2....0..3..2....0..3..4....0..2..1....0..0..1....0..1..3....0..2..3
..1..6..5....1..3..6....2..6..4....4..4..5....3..6..5....0..6..4....1..2..5
..3..5..4....1..4..5....1..6..5....3..3..6....2..5..4....2..5..6....4..6..6

Crossrefs

Sequence in context: A365031 A097630 A090647 * A111462 A045713 A090155

Adjacent sequences: A200926 A200927 A200928 * A200930 A200931 A200932

Keyword

nonn

Author

R. H. Hardin Nov 24 2011

Status

approved